Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCbpPji9Zrkf+1JQSL1c5/xEHq7iCE4jLbPlWRcAhib93TDKBTXUt6mFJJ8… (1,748 chars)"
  }
}